/*
 * Copyright (c) 2020 Leo <leo@nullptr.com.cn>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#include "class.h"
#include <stdlib.h>

void *cnew(void *def, ...)
{
    // assign the class definition, size, ctor and dtor
    cclass *object = (cclass *)def;

    // allocate the ptr (copy) of class defs
    void *ptr = calloc(1, object->size);
    *(cclass **)ptr = object;

    // class init
    if (object->ctor)
    {
        va_list args;
        va_start(args, def);
        ptr = object->ctor(ptr, &args);
        va_end(args);
    }

    return ptr;
}

void *cdelete(void *ptr)
{
    // destructor
    cclass *object = *(cclass **)ptr;
    if (object && object->dtor)
    {
        ptr = object->dtor(ptr);
    }
    free(ptr);

    return ptr;
}
